package ly.jobdu;

import java.util.Scanner;

public class Q1000Addtion{
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
         
        int a = 0;
        int b = 0;
        while(scanner.hasNext()) {
            a = scanner.nextInt();
            b = scanner.nextInt();
            System.out.println(a + b);
        }
    }
}